21650512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{104089}}^1$

素因数の和:104110

約数の個数: 20

約数和(自身を含む): 45175060

約数和(自身を除く): 23524548

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 104089, 208178, 416356, 832712, 1353157, 1665424, 2706314, 5412628, 10825256, 21650512]

約数ペア:

[(1, 21650512), (2, 10825256), (4, 5412628), (8, 2706314), (13, 1665424), (16, 1353157), (26, 832712), (52, 416356), (104, 208178), (208, 104089)]